Home / 249,970.86-345,120.75-223,067.12

Finding the Fourth Proportional to 249,970.86, 345,120.75 and 223,067.12

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Solution

The fourth proportional to 249,970.86, 345,120.75 and 223,067.12 is: 307,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,970.86 : 345,120.75 = 223,067.12 : x
  2. Step 2: Convert to fraction form
    249,970.86/345,120.75 = 223,067.12/x
  3. Step 3: Cross multiply
    249,970.86x = 345,120.75 × 223,067.12
  4. Step 4: Simplify right side
    249,970.86x = 76,985,090,029.14
  5. Step 5: Solve for x
    x = 76,985,090,029.14/249,970.86
  6. Step 6: Final answer
    x = 307,976.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.